1142120435154 has 8 divisors (see below), whose sum is σ = 2284240870320. Its totient is φ = 380706811716.

The previous prime is 1142120435147. The next prime is 1142120435167. The reversal of 1142120435154 is 4515340212411.

It is a sphenic number, since it is the product of 3 distinct primes.

1142120435154 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95176702924 + ... + 95176702935.

It is an arithmetic number, because the mean of its divisors is an integer number (285530108790).

Almost surely, 2^{1142120435154} is an apocalyptic number.

1142120435154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142120435154 is a wasteful number, since it uses less digits than its factorization.

1142120435154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190353405864.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 1142120435154 its reverse (4515340212411), we get a palindrome (5657460647565).

The spelling of 1142120435154 in words is "one trillion, one hundred forty-two billion, one hundred twenty million, four hundred thirty-five thousand, one hundred fifty-four".